Ford rs parts on our volvo r's

[Jdsb]

Thank you, after looking into it a little more I can see you're correct, the blocks are different, the differences are incredibly subtle, at least from what I could find, I won't go into to much as I honestly do not know enough, hence the thread.

From what I read there's about 25mm difference in the dimensions, couldn't tell if this was for length, width or depth but essentially changes how the blocks can be mounted, coolant ports and oil ports have different routes, feel free to include more.

When I had to replace my pistons it was a good opportunity to forge the internals, I ordered new bearings
Forged h beam rods and wiseco forged pistons, when I received the pistons I noticed they were labelled s60r/focus rs, I can't remember seeing anything on the rods but to be fair my attention was more on the pistons as I needed to do the math on gapping the rings.

So there are certain components that can be used but how much more, if any could also be